What blocks ac condensate drain unblocks in Tsuen Wan

Algae build-up in flexible drain pipe (humid HK climate)

Dust + lint from AC filter blowing into drain

Pipe slope incorrect causing water pooling

Outdoor pipe end blocked by debris

Tsuen Wan building patterns we see

Public housing shared-main blocks (Lei Muk Shue, Cheung Hong)

Tsuen Wan West harbourfront tower hair/lint blocks

Tsuen King Circuit older residential (1980s spec)

Sham Tseng adjacent — outdoor drainage common in low-rise

Method Compressed-air blow-through → vinegar flush → check pipe slope → test 10-min AC run for re-pooling.

Tsuen Wan-specific knowledge. Tsuen Wan is NT's largest urbanised district — mix of 1980s housing estates, 1990s towers, and 2010s harbourfront developments. Public housing estates (Lei Muk Shue / Cheung Hong) call us most for shared-main blockages, while Tsuen Wan West towers see standard residential blocks.
Service-specific method. AC dripping water inside / from outdoor unit = clogged condensate drain in 95% of cases. Blockage is dust + algae build-up at the narrow flexible drain pipe. 10-15 min job. Most-undercharged HK service.
Fixed price quoted on phone. No 'we'll see when we get there' surprises. From HKD 250.
7-day re-block guarantee. Same drain re-blocks within 7 days, we return free.
Receipt + tax invoice always. For tenant-landlord reimbursement or building AP.